From a6299ec2a0efe694b841ab2ac9c7ffe3c0110414 Mon Sep 17 00:00:00 2001
From: Bill-Gray <pluto@projectpluto.com>
Date: Sun, 18 Feb 2024 10:39:13 -0500
Subject: [PATCH] Framebuffer/DRM : with eight-bit graphics,  remap 'default'
 color to zero for the background.  (If the foreground is default,  it'll get
 remapped to white automatically.)

---
 fb/pdcdisp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fb/pdcdisp.c b/fb/pdcdisp.c
index e8f803f5..a66a5251 100644
--- a/fb/pdcdisp.c
+++ b/fb/pdcdisp.c
@@ -421,6 +421,8 @@ void PDC_transform_line(int lineno, int x, int len, const chtype *srcp)
                 integer_fg_idx = integer_bg_idx;
                 integer_bg_idx = swapval;
             }
+            if( integer_bg_idx == -1)
+               integer_bg_idx = 0;
             fg_idx = (uint8_t)integer_fg_idx;
             bg_idx = (uint8_t)integer_bg_idx;
             for( i = 0; i < run_len; i++)